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PEL/37 - Surge Arresters

Sector: Sustainability

Categories: Electric furnaces | Lightning protection | Multimedia systems and teleconferencing equipment | Electricity. Magnetism. Other | Networking | Fuses. Overcurrent protection devices | Physicochemical analysis | Lamps. Caps and holders | Resistors | Electric traction equipment | Diodes | Transformers. Reactors | Resistors. General | Information coding. Character sets | Electrical accessories | Fibres and cables | Ergonomics | Fibre optic interconnecting devices | Audio, video and audiovisual equipment. Other | Lamps. General | Power transmission and distribution lines | Electronic tubes | Audio systems | Audio, video and audiovisual systems. General | Telecommunication systems. Other | Power transmission and distribution networks | Switching and signalling systems | Insulating materials. General | Optic amplifiers | Substations. Surge arresters | Wires. Symmetrical cables | Switchgear and controlgear. Low voltage | Thyristors | Power transmission and distribution networks. General | Mechanical structures for electronic equipment | Plug-and-socket devices. Connectors | Solar energy engineering | Industrial process measurement and control | Electrical engineering | Immunity | Resistors. Variable and potentiometers. | Electrical engineering. General

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to IEC/TC 37 ‘Surge Arresters’, IEC/SC 37B ‘Components for low-voltage surge protection’, CLC/TC 37A ‘Low voltage surge protective devices’, CLC/SR 37 ‘Surge arresters’, and CLC/SR 37B ‘Specific components for surge arresters and surge protective devices’

Committee standards activity

In Progress (19)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PNW 37-491 ED1: Surge Arc Suppressor - Part 1: Surge Arc Suppressor (SAS) devices to Protect Power Line Insulation of systems > 1kV a.c.

Categories: Information management | Standardization. General rules | Engineering | Electrical engineering | Power transmission and distribution networks | Substations. Surge arresters

Proposal begins : 2023-06-21 		Proposal
PD IEC/TS 61643-06 ED1 Low-voltage surge protective devices. Part 06: Requirements and test methods for SPD specific disconnectors

Categories: Unclassified documents

Public comment begins : 		Public comment
PD IEC/TR 61643-333 Ed.1.0 Components for Low-Voltage Surge Protection. Part 333: Characteristic Equations for Life Evaluation for Metal Oxide Varistors (MOV)

Categories: Unclassified documents

Approval begins : 		Approval
BS IEC 61643-321 Components for low-voltage surge protection. - Part 321: Performance requirements and test circuits for silicon PN-junction voltage limiters

Categories: Diodes

Public comment begins : 2018-11-08 		Public comment
BS EN IEC 61643-41:2025/A11:2025 Low-voltage surge protective devices. - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods

Categories: Substations. Surge arresters

Approval begins : 		Approval
BS EN IEC 61643-41:2025 Low-voltage surge protective devices. Part 41: Surge protective devices connected to DC low-voltage power systems – Requirements and test methods

Categories: Switchgear and controlgear. Low voltage | Substations. Surge arresters

Approval begins : 2025-03-16 		Approval
BS EN IEC 61643-361 ED1 BS EN 61643-361 ED1 Low-voltage surge protective components. Part 361: Surge isolation transformers (SITs) connected to low-voltage distribution system – Requirements and test methods

Categories: Resistors. Variable and potentiometers.

Public comment begins : 2024-11-13 		Public comment
BS EN IEC 61643-11:2025 Low-voltage surge protective devices. Part 11: Surge protective devices connected to AC low-voltage power systems. Requirements and test methods

Categories: Power transmission and distribution networks. General | Substations. Surge arresters

Approval begins : 2025-03-31 		Approval
BS EN IEC 61643-11:2023/AA Low-voltage surge protective devices. - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods

Categories: Substations. Surge arresters

Approval begins : 		Approval
BS EN IEC 61643-01:2025/A11:2025 Low-voltage surge protective devices. - Part 01: General Requirements and test methods

Categories: Substations. Surge arresters

Approval begins : 		Approval
Published (25)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TR 61643-03:2024 Low-voltage surge protective devices. SPD testing guide

Categories: Insulating materials. General | Substations. Surge arresters

Published standard begins : 2024-07-09 		Published standard
PD IEC/PAS 60099-7:2004 Surge arresters. Glossary of terms and definitions from IEC publications 60099-1, 60099-4, 60099-6, 61643-1, 61643-12, 61643-21, 61643-311, 61643-321, 61643-331 and 61643-341

Categories: Fuses. Overcurrent protection devices | Substations. Surge arresters | Electrical engineering

Published standard begins : 2004-07-09 		Published standard
PD IEC TR 60099-10:2024 Surge arresters. Rationale for tests specified by IEC 60099-4:2014

Categories: Fuses. Overcurrent protection devices | Substations. Surge arresters

Published standard begins : 2024-08-30 		Published standard
PD CLC/TS 61643-22:2016 Low-voltage surge protective devices. Surge protective devices connected to telecommunications and signalling networks. Selection and application principles

Categories: Power transmission and distribution networks. General | Substations. Surge arresters

Published standard begins : 2016-04-29 		Published standard
PD CLC/TS 51643-32:2020 Low-voltage surge protective devices. Surge protective devices connected to the DC side of photovoltaic installations. Selection and application principles

Categories: Solar energy engineering | Fuses. Overcurrent protection devices

Published standard begins : 2020-08-03 		Published standard
PD CLC/TR 50656:2016 SPD application in conjunction with Class II equipment

Categories: Fuses. Overcurrent protection devices

Published standard begins : 2016-03-11 		Published standard
DD CLC/TS 61643-12:2009 Low-voltage surge protective devices. Surge protective devices connected to low-voltage power distribution systems. Selection and application principles

Categories: Substations. Surge arresters

Published standard begins : 2010-07-06 		Published standard
DD CLC/TS 50544:2010 Low voltage d.c. surge protective device for traction systems. Selection and application rules for surge arresters

Categories: Fuses. Overcurrent protection devices | Electric traction equipment

Published standard begins : 2010-04-13 		Published standard
DD CLC/TS 50539-22:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. Wind turbine applications

Categories: Fuses. Overcurrent protection devices

Published standard begins : 2010-06-03 		Published standard
BS IEC 60099-6:2019 Surge arresters. Surge arresters containing both series and parallel gapped structures. System voltage of 52 kV and less

Categories: Substations. Surge arresters

Published standard begins : 2023-05-31 		Published standard
Withdrawn (25)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD CLC/TS 50539-12:2013 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations

Categories: Fuses. Overcurrent protection devices

Withdrawn begins : 2020-08-03 		Withdrawn
DD CLC/TS 61643-22:2006 Low-voltage surge protective devices. Surge protective devices connected to telecommunications and signalling networks. Selection and application principles

Categories: Substations. Surge arresters | Fibre optic interconnecting devices | Fuses. Overcurrent protection devices

Withdrawn begins : 2016-04-29 		Withdrawn
DD CLC/TS 61643-12:2006 Low-voltage surge protective devices. Surge protective devices connected to low-voltage power systems. Selection and application principles

Categories: Substations. Surge arresters

Withdrawn begins : 2010-07-06 		Withdrawn
DD CLC/TS 50539-12:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations

Categories: Fuses. Overcurrent protection devices

Withdrawn begins : 2014-07-07 		Withdrawn
BS IEC 61643-32:2017 Low-voltage surge protective devices. Surge protective devices connected to the d.c. side of photovoltaic installations. Selection and application principles

Categories: Power transmission and distribution networks. General | Substations. Surge arresters

Withdrawn begins : 2019-07-17 		Withdrawn
BS EN IEC 61643-331:2018 Components for low-voltage surge protective devices. Performance requirements and test methods for metal oxide varistors (MOV)

Categories: Fuses. Overcurrent protection devices | Resistors. General | Resistors. Variable and potentiometers.

Withdrawn begins : 2020-05-13 		Withdrawn
BS EN 61643-341:2001 Low voltage surge protective devices. Specification for thyristor surge suppressors (TSS)

Categories: Fuses. Overcurrent protection devices | Diodes | Thyristors

Withdrawn begins : 2020-07-10 		Withdrawn
BS EN 61643-331:2003 Low voltage surge protective devices. Specification for metal oxide varistors (MOV)

Categories: Fuses. Overcurrent protection devices | Resistors. Variable and potentiometers.

Withdrawn begins : 2018-04-12 		Withdrawn
BS EN 61643-311:2001 Low voltage surge protective devices. Specification for gas discharge tubes (GDT)

Categories: Fuses. Overcurrent protection devices | Electronic tubes | Switching and signalling systems | Telecommunication systems. Other

Withdrawn begins : 2016-05-05 		Withdrawn
BS EN 61643-31:2019 Low-voltage surge protective devices. Requirements and test methods for SPDs for photovoltaic installations

Categories: Fuses. Overcurrent protection devices

Withdrawn begins : 2022-09-29 		Withdrawn